Daily Operation - NORTHROP GRUMMAN Patara I User Manual

Daily Operation

Turn On Procedure
Manual Interrupt Procedure
© 2018 Cutting Edge Optronics, Inc.
power meter so that the beam passes through the center of the lens and hits the
center of the power meter.
7. Gradually increase the current set point to the operating current specified in
the ATP Test Report Data Summary. Do not touch any part of the laser. Wait
for the laser to stabilize for one hour (usually the laser takes about 20 minutes
to reach 95% of the maximum power). Then check if the power is close to the
result on the test report.
Usually the laser needs optimization for the first installation due to the slight
differences of environments, chiller settings and vibration of the transportation. If
so, please follow the laser performances optimization procedures Chapter 5:
Maintenance.
Output energy and repetition rate of the Patara laser system are adjustable over a
wide range. However, operating protocols must be observed to assure operation
without risking internal damage to optical components. Table 1-1 summarizes
laser performance.
1. Switch the chiller to the ON position. Verify correct flow rate and temperature
setting to value specified on laser test report. Wait until chiller has achieved
proper temperature, which may take five to ten minutes.
2. Turn the eDrive power enable key switch to ON position.
3. Press the eDrive POWER switch. LCD panel illuminates.
4. Press MENU to verify the current and Q-switch settings.
5. Press EMISSION to fire the laser diode after the TEC temperature is
stabilized within the tolerance range.
CAUTION.
The output beam of this system is a safety hazard. Avoid viewing the beam
directly.
6. Press SHUTTER to begin laser output.
Wait for about 20 minutes to reach 95% of nominal output power.
1. Press SHUTTER button on the eDrive front panel. The EMISSION and
LASER ON indicators will begin to blink. The laser diode current will default
to standby current level while the shutter is closed.
Chapter Four: Installation and Operation
36 Patara I and II Laser User Manual